message stringlengths 2 44.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 276 109k | cluster float64 23 23 | __index_level_0__ int64 552 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n sheets of square paper of the same size. Align the bottom of these papers horizontally and arrange them in several rows. However, adjacent rows must be arranged so that the left side... | instruction | 0 | 97,771 | 23 | 195,542 |
No | output | 1 | 97,771 | 23 | 195,543 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n sheets of square paper of the same size. Align the bottom of these papers horizontally and arrange them in several rows. However, adjacent rows must be arranged so that the left side... | instruction | 0 | 97,772 | 23 | 195,544 |
No | output | 1 | 97,772 | 23 | 195,545 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n sheets of square paper of the same size. Align the bottom of these papers horizontally and arrange them in several rows. However, adjacent rows must be arranged so that the left side... | instruction | 0 | 97,773 | 23 | 195,546 |
No | output | 1 | 97,773 | 23 | 195,547 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n sheets of square paper of the same size. Align the bottom of these papers horizontally and arrange them in several rows. However, adjacent rows must be arranged so that the left side... | instruction | 0 | 97,774 | 23 | 195,548 |
No | output | 1 | 97,774 | 23 | 195,549 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,874 | 23 | 195,748 |
Tags: dp, greedy, math
Correct Solution:
```
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import time
n = int(input())
start = time.time()
ans = 0
for i in range(2, n):
ans += i*(i+1)
print(ans)
finish = time.time()
#print(finish - start)
``` | output | 1 | 97,874 | 23 | 195,749 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,875 | 23 | 195,750 |
Tags: dp, greedy, math
Correct Solution:
```
v = int(input())
ans,a,b = 6,3,4
while(b<=v):
ans += (a*b)
a+=1
b+=1
print(ans)
``` | output | 1 | 97,875 | 23 | 195,751 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,876 | 23 | 195,752 |
Tags: dp, greedy, math
Correct Solution:
```
a = int(input())
ans = 0
for i in range(a - 2):
ans += (i + 2) * (i + 3)
print(ans)
``` | output | 1 | 97,876 | 23 | 195,753 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,877 | 23 | 195,754 |
Tags: dp, greedy, math
Correct Solution:
```
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
n = int(input())
s = 0
for i in range (3,n+1):
s += i * (i-1)
print(s)
``` | output | 1 | 97,877 | 23 | 195,755 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,878 | 23 | 195,756 |
Tags: dp, greedy, math
Correct Solution:
```
n =int(input())
if n >= 3 and n <= 500 :
print((((n*n*n)-n)//3)-2)
``` | output | 1 | 97,878 | 23 | 195,757 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,879 | 23 | 195,758 |
Tags: dp, greedy, math
Correct Solution:
```
n = int(input())
i = 2
s = 0
while i < n:
s += i * (i+1)
i += 1
print(s)
``` | output | 1 | 97,879 | 23 | 195,759 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,880 | 23 | 195,760 |
Tags: dp, greedy, math
Correct Solution:
```
def nCk(n, k):
if n < k:
return 0
if k == 0:
return 1
if k == 1:
return n if n != 0 else 0
x = n
for i in range(1, k):
x *= (n-i)
y = 1
while k > 0:
y *= k
k -= 1
x //= y
return x
n = int(i... | output | 1 | 97,880 | 23 | 195,761 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle is a vertex of the initial polygon, there is no... | instruction | 0 | 97,881 | 23 | 195,762 |
Tags: dp, greedy, math
Correct Solution:
```
Q = int(input())
s = 0
for i in range(3,Q+1):
s += (i-1)*i
print(s)
``` | output | 1 | 97,881 | 23 | 195,763 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,882 | 23 | 195,764 |
Yes | output | 1 | 97,882 | 23 | 195,765 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,883 | 23 | 195,766 |
Yes | output | 1 | 97,883 | 23 | 195,767 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,884 | 23 | 195,768 |
Yes | output | 1 | 97,884 | 23 | 195,769 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,885 | 23 | 195,770 |
Yes | output | 1 | 97,885 | 23 | 195,771 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,886 | 23 | 195,772 |
No | output | 1 | 97,886 | 23 | 195,773 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,887 | 23 | 195,774 |
No | output | 1 | 97,887 | 23 | 195,775 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,888 | 23 | 195,776 |
No | output | 1 | 97,888 | 23 | 195,777 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a regular polygon with n vertices labeled from 1 to n in counter-clockwise order. The triangulation of a given polygon is a set of triangles such that each vertex of each triangle ... | instruction | 0 | 97,889 | 23 | 195,778 |
No | output | 1 | 97,889 | 23 | 195,779 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pete and Bob invented a new interesting game. Bob takes a sheet of paper and locates a Cartesian coordinate system on it as follows: point (0, 0) is located in the bottom-left corner, Ox axis is... | instruction | 0 | 98,156 | 23 | 196,312 |
No | output | 1 | 98,156 | 23 | 196,313 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pete and Bob invented a new interesting game. Bob takes a sheet of paper and locates a Cartesian coordinate system on it as follows: point (0, 0) is located in the bottom-left corner, Ox axis is... | instruction | 0 | 98,157 | 23 | 196,314 |
No | output | 1 | 98,157 | 23 | 196,315 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pete and Bob invented a new interesting game. Bob takes a sheet of paper and locates a Cartesian coordinate system on it as follows: point (0, 0) is located in the bottom-left corner, Ox axis is... | instruction | 0 | 98,158 | 23 | 196,316 |
No | output | 1 | 98,158 | 23 | 196,317 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pete and Bob invented a new interesting game. Bob takes a sheet of paper and locates a Cartesian coordinate system on it as follows: point (0, 0) is located in the bottom-left corner, Ox axis is... | instruction | 0 | 98,159 | 23 | 196,318 |
No | output | 1 | 98,159 | 23 | 196,319 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of dist... | instruction | 0 | 98,167 | 23 | 196,334 |
No | output | 1 | 98,167 | 23 | 196,335 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of dist... | instruction | 0 | 98,168 | 23 | 196,336 |
No | output | 1 | 98,168 | 23 | 196,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of dist... | instruction | 0 | 98,169 | 23 | 196,338 |
No | output | 1 | 98,169 | 23 | 196,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of dist... | instruction | 0 | 98,170 | 23 | 196,340 |
No | output | 1 | 98,170 | 23 | 196,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya is a Greencode wildlife preservation society proponent. One day he found an empty field nobody owned, divided it into n Γ m squares and decided to plant a forest there. Vasya will plant nm trees of all different heights from 1 to nm. F... | instruction | 0 | 98,222 | 23 | 196,444 |
Tags: constructive algorithms
Correct Solution:
```
# https://codeforces.com/problemset/problem/45/J
def solve(n, m):
if n*m == 1:
return [[1]]
if n*m <= 3 or (n == 2 and m == 2):
return -1
a = [[0] * m for _ in range(n)]
base1 = 1
base2 = (n*m) // 2 + 1
for ... | output | 1 | 98,222 | 23 | 196,445 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is a Greencode wildlife preservation society proponent. One day he found an empty field nobody owned, divided it into n Γ m squares and decided to plant a forest there. Vasya will plant nm... | instruction | 0 | 98,227 | 23 | 196,454 |
No | output | 1 | 98,227 | 23 | 196,455 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is a Greencode wildlife preservation society proponent. One day he found an empty field nobody owned, divided it into n Γ m squares and decided to plant a forest there. Vasya will plant nm... | instruction | 0 | 98,229 | 23 | 196,458 |
No | output | 1 | 98,229 | 23 | 196,459 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya is a Greencode wildlife preservation society proponent. One day he found an empty field nobody owned, divided it into n Γ m squares and decided to plant a forest there. Vasya will plant nm... | instruction | 0 | 98,230 | 23 | 196,460 |
No | output | 1 | 98,230 | 23 | 196,461 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,513 | 23 | 197,026 |
"Correct Solution:
```
while True:
n=int(input())
if n==0:
break
ts=[0]*n
ys=0
a=[]
for i in range(n):
b=list(map(int,input().split()))
s=sum(b)
a.append(b+[s])
for i in range(n):
ts[i]+=b[i]
ys+=s
t=sum(ts)
for i in range(... | output | 1 | 98,513 | 23 | 197,027 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,514 | 23 | 197,028 |
"Correct Solution:
```
while True:
n=int(input())
if not n: break
a=[list(map(int,input().split())) for _ in range(n)]
t=[[0 for _ in range(n+1)] for _ in range(n+1)]
for i in range(n):
for j in range(n):
t[i][j]=a[i][j]
t[i][n]+=a[i][j]
t[n][j]+=a[i][j]
t[n][n]+=a[i][j]
for i in range(n+1):
print... | output | 1 | 98,514 | 23 | 197,029 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,515 | 23 | 197,030 |
"Correct Solution:
```
while True:
n = int(input())
if n == 0:
break
rows = [list(map(int, input().split())) for _ in range(n)]
for row in rows:
print("".join(map("{0:>5}".format, row)), end="")
print("{:>5}".format(sum(row)))
columns = list(zip(*rows))
print("".join(map(... | output | 1 | 98,515 | 23 | 197,031 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,516 | 23 | 197,032 |
"Correct Solution:
```
from copy import deepcopy
def main():
while True:
n = int(input())
if n == 0:
break
tate = [0 for i in range(n)]
for i in range(n):
num = 0
m = map(int, input().split())
hoge = deepcopy(m)
tate = [... | output | 1 | 98,516 | 23 | 197,033 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,517 | 23 | 197,034 |
"Correct Solution:
```
while True:
n = int(input())
if n == 0:
break
a = []
for i in range(n):
a.append([int(num) for num in input().split()])
for i in range(n):
sum = 0
for j in range(n):
sum += a[i][j]
a[i].append(sum)
a.append([])
fo... | output | 1 | 98,517 | 23 | 197,035 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,518 | 23 | 197,036 |
"Correct Solution:
```
while True:
n=int(input())
if n==0:
break
i=0
mat=[]
#γͺγΉγγδΈγ€γ«
while i<n:
tmp_mat=list(map(int, input().split()))
mat.extend(tmp_mat)
i+=1
total=0
tmp_last=[0 for l in range(n+1)]
for x in range(len(mat)):
total+=mat[x]
... | output | 1 | 98,518 | 23 | 197,037 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,519 | 23 | 197,038 |
"Correct Solution:
```
def main():
while True:
N = int(input())
if N == 0:
break
A = [
list(map(int, input().split(" ")))
for _ in range(N)
]
tot = [sum(col[r] for col in A) for r in range(N)]
A.append(tot)
for col in A:
... | output | 1 | 98,519 | 23 | 197,039 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to develop a tiny little part of spreadsheet software.
Write a program which adds up columns and rows of given table as shown in the following figure:
<image>
Input
The input consists of several datasets. Each dataset consists of:
... | instruction | 0 | 98,520 | 23 | 197,040 |
"Correct Solution:
```
def output_res(row):
print(''.join(map(lambda num: str(num).rjust(5), row)), str(sum(row)).rjust(5), sep='')
def main():
while True:
n = int(input())
if n == 0:
break
bottom_total = [0 for _ in range(n)]
for _ in range(n):
each_li... | output | 1 | 98,520 | 23 | 197,041 |
Provide a correct Python 3 solution for this coding contest problem.
Hint
* One grid may be filled more than once
* Even if it can be represented by one line segment such as '1', it may be represented by two or more line segments.
Sample Input 1
Formula for Sample Input 1.
Sample Input 2
Sample Input 2 formula. A... | instruction | 0 | 98,546 | 23 | 197,092 |
"Correct Solution:
```
dic = {((0, 0), (0, 1), (0, 2), (0, 3), (0, 4),
(1, 0), (1, 4),
(2, 0), (2, 1), (2, 2), (2, 3), (2, 4)):"0",
((0, 0), (0, 1), (0, 2), (0, 3), (0, 4)):"1",
((0, 0), (0, 2), (0, 3), (0, 4),
(1, 0), (1, 2), (1, 4),
(2, 0), (2, 1), (2, 2), (2, 4)):"2",
... | output | 1 | 98,546 | 23 | 197,093 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,677 | 23 | 197,354 |
Tags: dp, implementation, math
Correct Solution:
```
n = int(input())
if n == 1:
print(1)
else:
print( int((2*n-1)**2 - 4*(n*(n-1)/2) ))
``` | output | 1 | 98,677 | 23 | 197,355 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,678 | 23 | 197,356 |
Tags: dp, implementation, math
Correct Solution:
```
# your code goes here
import math
n=int(input())
sum=1
for i in range(2,n+1):
sum+=4*(i-1)
print(sum)
``` | output | 1 | 98,678 | 23 | 197,357 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,679 | 23 | 197,358 |
Tags: dp, implementation, math
Correct Solution:
```
def ans(n):
if n==1:
return 1
else:
return ((n-1)*4) + ans(n-1)
n = int(input())
print(ans(n))
``` | output | 1 | 98,679 | 23 | 197,359 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,680 | 23 | 197,360 |
Tags: dp, implementation, math
Correct Solution:
```
n = int(input())
print(2 * n**2 - 2 * n + 1)
################################################################
``` | output | 1 | 98,680 | 23 | 197,361 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,681 | 23 | 197,362 |
Tags: dp, implementation, math
Correct Solution:
```
n=int(input())
a=[]
l=1;
n=2*(n**2)-2*n+1
print(n)
``` | output | 1 | 98,681 | 23 | 197,363 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,682 | 23 | 197,364 |
Tags: dp, implementation, math
Correct Solution:
```
ar=[0 for i in range(0,101)]
def res():
ar[0]=1
s=1
for i in range(1,101):
ar[i]=ar[i-1]+4*s
s+=1
n=int(input())
res()
print(ar[n-1])
``` | output | 1 | 98,682 | 23 | 197,365 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,683 | 23 | 197,366 |
Tags: dp, implementation, math
Correct Solution:
```
def solve(n):
if n == 1: return 1
if n == 2: return 5
return solve(n-1) + 4*(n-1)
def main():
n = int(input())
print(solve(n))
main()
``` | output | 1 | 98,683 | 23 | 197,367 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th order rhombus for all n β₯ 2 one obtains from a n-1-... | instruction | 0 | 98,684 | 23 | 197,368 |
Tags: dp, implementation, math
Correct Solution:
```
n=int(input())
a=2*n*(n-1)+1
print(a)
``` | output | 1 | 98,684 | 23 | 197,369 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid.
A 1-st order rhombus is just a square 1 Γ 1 (i.e just a cell).
A n-th orde... | instruction | 0 | 98,685 | 23 | 197,370 |
Yes | output | 1 | 98,685 | 23 | 197,371 |
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